On Tuesday 09 September 2014 17:12:31 Jingchang Lu wrote:
> +#include "common.h"
> +
> +static void __init ls1021a_init_machine(void)
> +{
> + mxc_arch_reset_init_dt();
> + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> +}
> +
> +static const char *ls1021a_dt_compat[] __initdata = {
> + "fsl,ls1021a",
> + NULL,
> +};
Please don't add any new users of mxc_arch_reset_init_dt(). We now
have infrastructure to register a system-reset handler from the
watchdog driver, so please do that instead, and clean up the
existing users as well.
> +DT_MACHINE_START(LS1021A, "Freescale LS1021A")
> +#ifdef CONFIG_ZONE_DMA
> + .dma_zone_size = SZ_128M,
> +#endif
> + .init_machine = ls1021a_init_machine,
> + .dt_compat = ls1021a_dt_compat,
> + .restart = mxc_restart,
> +MACHINE_END
I believe someone recently posted a patch to derive the dma_zone_size
from device tree. Can yo try to find that and see if that will work
for you?
Can you explain what the reason is for needing a DMA zone?
Arnd
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